Quantitative Analyst Interview Questions

10,158 quantitative analyst interview questions shared by candidates

A cookie jar in empty at the start. At every move if it is empty you either leave it empty of put one cookie in it each with equal probability. If it is not empty, wither you take 1 or put 1 with equal probability. At the end of 2024 iterations, what is the probability that the jar remains empty.
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Quantitative Trader Intern

Interviewed at Tower Research Capital

4.1
Jul 31, 2024

A cookie jar in empty at the start. At every move if it is empty you either leave it empty of put one cookie in it each with equal probability. If it is not empty, wither you take 1 or put 1 with equal probability. At the end of 2024 iterations, what is the probability that the jar remains empty.

Say you have one bacterium now. In any minute, each living one has a quarter chance of dieing, a quarter of staying still, a quarter of splitting into 2, and a quarter of splitting into 3. What is the probability of this species dieing out finally.
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Quantitative Finance

Interviewed at Morgan Stanley

3.9
Jan 27, 2011

Say you have one bacterium now. In any minute, each living one has a quarter chance of dieing, a quarter of staying still, a quarter of splitting into 2, and a quarter of splitting into 3. What is the probability of this species dieing out finally.

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